android: remove chrome_public_test_apk from android-kitkat-arm-rel

KitKat CQ builder is short of test resources badly.
Removie this test suite from it to improve performance.

Bug: 1060245
Change-Id: I9b04d918bfdac894d813ba6f250c6acc9172fde2
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2095354
Commit-Queue: Haiyang Pan <[email protected]>
Reviewed-by: Ben Pastene <[email protected]>
Reviewed-by: John Budorick <[email protected]>
Cr-Commit-Position: refs/heads/master@{#748761}
diff --git a/testing/buildbot/test_suite_exceptions.pyl b/testing/buildbot/test_suite_exceptions.pyl
index 205fb51d..06fd5df 100644
--- a/testing/buildbot/test_suite_exceptions.pyl
+++ b/testing/buildbot/test_suite_exceptions.pyl
@@ -603,6 +603,7 @@
     'remove_from': [
       'android-asan',  # https://crbug.com/964562
       'android-code-coverage-native', # https://crbug.com/1018780
+      'android-kitkat-arm-rel', # https://crbug.com/1060245
     ],
     'modifications': {
       'KitKat Phone Tester (dbg)': {